Fix Sandbox staking pending events

explorer-v2/src/components/staking/StakeTableWithAction.tsx

@@ -75,7 +75,7 @@ const StakeTableWithAction = () => {
     isError: isEpochError,
   } = useQuery({
     queryKey: ["epochRewards"],
-    queryFn: fetchEpochRewards,
+    queryFn: () => fetchEpochRewards(environment),
     staleTime: 10 * 60 * 1000, // 10 minutes
     refetchOnWindowFocus: false, // Prevents unnecessary refetching
     refetchOnReconnect: false,

explorer-v2/src/hooks/useNymClient.ts

@@ -43,7 +43,7 @@ export const useNymClient = () => {
         const queryClient = new contracts.Mixnet.MixnetQueryClient(
           // eslint-disable-next-line  @typescript-eslint/no-explicit-any
           cosmWasmClient as any,
-          NYM_MIXNET_CONTRACT
+          mixnetContractAddress
         );
 
         setNymClient(client);